Logic Masters Deutschland e.V.

(Very) Hard AND nice puzzles

The following list contains portal puzzles that have been rated as nice or very nice and that are difficult. These puzzles are recommended for experts - and allow some time to solve.

DescriptionsolvedRating
unsolvedMousetrap? (A Rat Run Homage)
by tallcat (on 16. January 2025, 06:00)
1704
98 %
unsolvedAmbiguous Slitherlink
by Agent (on 28. April 2024, 09:00)
524
99 %
unsolvedWichtel 2020 (6): Rundweg "Fünf Jahreszeiten"
by wichtel (on 27. May 2021, 20:02)
384
99 %
unsolvedRoman Architecture
by Scruffamudda (on 15. October 2024, 06:42)
444
93 %
unsolvedKuromasudoku
by Phistomefel (on 26. November 2020, 20:18)
734
98 %
unsolvedXV*4.0
by NurglesGift (on 20. November 2024, 18:13)
1114
96 %
unsolvedRiesenRenbanKropki II
by Richard (on 9. April 2010, 12:00)
664
91 %
unsolvedWichtel 2014 (14 und Schluss): Durch den Zauberwald
by wichtel (on 17. April 2015, 01:42)
324
98 %
unsolvedShip's Wheel
by Qodec (on 19. February 2022, 11:09)
624
98 %
unsolvedDeflation
by jwsinclair (on 13. December 2022, 20:42)
424
94 %
unsolvedXY-Differences Fillomino 2
by glum_hippo (on 30. August 2023, 19:51)
374
92 %
unsolvedRenban Plasters
by antiknight (on 4. April 2024, 18:32)
374
94 %
unsolvedJuggling with the Twins (Partial Killer)
by SudokuExplorer (on 2. October 2020, 02:00)
314
95 %
unsolvedFood Killer
by Mark Sweep (on 27. November 2020, 10:00)
254
98 %
unsolvedThe Disjointed Cube
by Wecoc (on 8. January 2021, 01:57)
574
96 %
unsolvedMarupeke Sudoku
by Crusader175 (on 7. November 2021, 08:08)
244
91 %
unsolvedSkyscrapers Sum
by abed hawila (on 25. January 2022, 13:00)
504
94 %
unsolvedThermos and Cages
by Jeet Sampat (on 7. March 2022, 04:31)
304
96 %
unsolvedSum Hope (Sum Lines)
by Chilly (on 26. April 2022, 11:23)
494
97 %
unsolvedEntropy Production
by starwarigami (on 30. November 2022, 09:15)
254
96 %
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